HP ProLiant ML570 G4 Server - Manual (Page 9)

Component identification 9
Rear panel components
Item Description
1 NIC 1 connector
2 NIC 2 connector
3 USB connectors
4 iLO 2 connector
5 Parallel connector
6 PCI-X slot 1, 64-bit/100-MHz
7 PCI-X slot 2, 64-bit/100-MHz
8 PCI-X slot 3, 64-bit/100-MHz
9 PCI-X slot 4, 64-bit/100-MHz
10 PCI Express x4 slot 5
11 PCI Express x4 slot 6
12 PCI Express x4 slot 7
13 PCI Express x4 slot 8
14 PCI Express x4 slot 9
15 PCI Express x4 slot 10
16 Power supply (primary)
17 Power supply blank
18 T-15 Torx screwdriver
19 UID button and LED
20 Keyboard connector
21 Mouse connector
22 Video connector
23 Serial connector